ST’s EnFilm™ thin-film batteries are a new concept of extremely thin (220 µm), rechargeable solid-state batteries with fast constant-voltage recharge and a lifetime of more than 10 years or 4000 cycles. 

They feature a LiCoO2 cathode, LiPON ceramic electrolyte and a lithium anode, on a 25.7 x 25.7 mm footprint so are completely safe from risks of burning or explosion.

Evaluation kit and board now available
The design of solid state thin film battery EnFilm™ EFL700A39 powered applications can now be evaluated and supported thanks to ST’s newly available kit and board:

•The EFL700PMB – power management board – includes all the necessary power management circuitry around the EFL700A39 for charging and voltage regulation, deep discharge protection and a super-capacitor to sustain a high pulsed discharge current. It can be directly connected to the application for rapid performance evaluation.
•The EFL700EVALKIT – evaluation kit – includes the EFL700PMB as well as an LB with analog ammeter and digital voltmeter that enable discovery of the performance of the EFL700A39 by monitoring the voltage and the dynamic charge / discharge current in real use-case conditions. It also includes a pulsed load emulator to simulate applications that wake from sleep mode periodically.

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